JP2007296379A - Printed wiring board for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make an identification mark easily visible when a printed wiring board is attached to a game machine. <P>SOLUTION: Identification marks 2c, 3c, 4c and 5c indicating a game machine manufacturer, identification marks 2d, 3d, 4d and 5d indicating a printed wiring board manufacturer and identification marks 2e, 3e, 4d and 5d indicating the kind of the printed wiring board are provided on the board surfaces of the printed wiring boards 2a-5a by the same material as printed wires 19-22, and the printed wiring boards 2a-5a or a case housing the printed wiring boards 2a-5a is attached to the back part of the game machine 1 so that the identification marks 2c-5c, 2d-5d and 2e-5e are visible from the back part of the game machine 1. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a printed wiring board for gaming machines in which an identification mark can be easily visually recognized when the printed wiring board is attached to a gaming machine.

A plurality of printed wiring boards that individually form terminal boards, relay boards, game control circuits, frame control circuits, and the like are provided on the back of the gaming machine. It is well known to attach an identification mark indicating the type of the printed wiring board.
JP-A-10-215041

  However, the conventional identification mark only represents the type of the printed wiring board and is printed or stamped on the surface of the solder resist applied to the printed wiring board. For this reason, after installing a gaming machine such as a pachinko machine in which a printed wiring board is incorporated in an amusement store, when replacing an electrical functional component mounted on the printed wiring board with a fraudulent product, the above identification mark is used. Susceptible to fraud that is erased by wiping. In addition, disposal tables discarded as used gaming machines from amusement stores are entrusted to the local governments' waste disposal administration. Are treated as industrial waste in local governments. In addition, the disposal table is composed of various materials such as thermosetting synthetic resin, thermoplastic synthetic resin, wood, ferrous metal, non-ferrous metal, glass, electronic circuit, electric wire, etc. Because of the high cost, administrative guidance is given in small and medium-sized cities to dismantle the disposal table to some extent and then bring it to the landfill. For this reason, when a small number of unsavvy contractors out of the collection platform or industrial waste traders dispose of illegally dumping in an unstacked state without incurring costs for dismantling, the illegal dumped goods are discarded. In order to make it difficult to specify the identification mark, the identification mark may be wiped off.

  The printed wiring board for a gaming machine according to the present invention is provided with an identification mark representing the manufacturer or type on the board surface of the printed wiring board provided on the gaming machine using the same material as the printed wiring, and the identification mark is formed from the back of the gaming machine The printed wiring board is attached to the back of the gaming machine so that it can be seen, or an identification mark indicating the manufacturer or type is provided on the board surface of the printed wiring board provided on the gaming machine with the same material as the printed wiring. The main feature is that the case is attached to the back of the gaming machine so that the printed wiring board is housed in a transparent case and the identification mark is visible from the back of the gaming machine. A solder resist covering the printed wiring is provided on the substrate surface of the printed wiring board, and a window for exposing the identification mark is provided on the solder resist, or the identification sign is assimilated into the printed wiring, or the printed wiring board. May constitute a frame information external terminal board, a game board information external terminal board, a game control circuit, or a frame control circuit.

  The printed wiring board for gaming machines according to the present invention has an advantage that the identification mark can be easily visually recognized in the same manner as the functional component in a state where the printed wiring board is attached to the back of the gaming machine.

  1 to 4 show the first embodiment, FIG. 1 shows the back of the gaming machine 1, FIG. 2 shows the appearance of the printed wiring board 10 on which the electrical functional components 11 to 15 are mounted, and FIG. FIG. 4 is a plan view showing the component side surface of the printed wiring board 10 after the etching process is completed, and FIG. 4 is a plan view showing the solder side surface of the printed wiring board 10 after the etching process is completed.

  As shown in FIG. 1, the gaming machine 1 of this embodiment has a frame information external terminal board 2, a game board information external terminal board 3, a game control circuit 4, a frame control circuit 5, a tank set 6, a prize ball on the back. It has various game function parts such as a payout mechanism 7, a ball launch drive mechanism 8, and a sink 9. Among these game functional components, the frame information external terminal board 2, the game board information external terminal board 3, the game control circuit 4, and the frame control circuit 5 are printed wiring boards 2a, 3a, 4a, 5a are equipped with some necessary electrical functional parts 2b, 3b, 4b, 5b among connectors, fuses, switches, light emitting diodes, relays, hybrid ICs, microcomputers, ROM, RAM, etc. is doing. On the printed circuit boards 2a to 5a, there are identification signs 2c, 3c, 4c, 5c representing the gaming machine manufacturer, identification signs 2d, 3d, 4d, 5d representing the printed wiring board manufacturer, and the printed wiring board. The identification marks 2e, 3e, 4e, and 5e representing the types of these are directly provided by the same material as the printed wirings 19 to 22 described later. These identification marks 2c to 5c, 2d to 5d, and 2e to 5e are not covered with the mounted functional parts 2b to 5b, and the printed wiring boards 2a to 5a are frame information external terminal board 2, game board information external terminals. In a form in which the board 3, the game control circuit 4, and the frame control circuit 5 are attached to the back of the gaming machine 1, the board 3, the game control circuit 4, and the frame control circuit 5 are arranged at positions that are visible from the back of the gaming machine 1.

  In FIG. 2, a printed wiring board 10 is illustrated and described as an example of one printed wiring board corresponding to any of the printed wiring boards 2a to 5a. The printed wiring board 10 has a plurality of functional components 11, 12, 13, 14, and 15 corresponding to the functional components 2b to 5b mounted on a component side surface as one of the substrate surfaces. Also, on the side surface of the component, an identification mark 16 representing a gaming machine manufacturer corresponding to each of the identification marks 2c-5c, 2d-5d, 2e-5e, an identification mark 17 representing a printed wiring board manufacturer, a printed wiring board The identification mark 18 indicating the type of the printed circuit board and the printed wirings 19, 20, 21, and 22 are directly formed by etching. The identification marks 16 to 18 and the printed wirings 19 to 22 are covered with solder resists 23 and 24 that can be seen through like a semi-transparent coating applied to the surface of the printed wiring board 10. Also, on the surface of the solder resist 23 on the side surface of the part, outline diagrams 25, 26, 27, 28, and 29 of attachment positions of the functional parts 11 to 15 are printed with white paint by silk printing. The corners of the printed wiring board 10 are provided with through holes 30 that are used when the printed wiring board 10 is attached to the gaming machine 1.

  In FIG. 3, the printed wiring board 10 is in a form before the soldering resist is applied, after the etching process is finished, and on each side of the component, each identification mark 16 to 18, each printed wiring 19 to 22, FIG. Pads 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, which are connected to unillustrated terminals and mounting feet protruding outward from the functional components 11 to 15 shown in FIG. 41, 42, 43, 44, 45, 46 are provided. In this embodiment, the pads 31 to 34 correspond to the functional component 11, the pads 35 to 37 correspond to the functional component 12, the pads 38 to 40 correspond to the functional component 13, and the pads 41 to 43 correspond to the functional component 14. The pads 44 to 46 are made to correspond to the functional component 15. Further, the pad 34 and the pad 38 are connected by the printed wiring 19, the pad 32 and the pad 40 are connected by the printed wiring 20, the pad 36 and the pad 41 are connected by the printed wiring 21, and the pad 37 is used as the ground. Connected to the printed wiring 22.

  In FIG. 4, the printed wiring board 10 is in a form before the soldering resist is applied after the etching process is finished. On the solder side surface, an identification mark 47 indicating the type of the printed wiring board 10 and a plurality of printed wiring boards 10 are provided. Wirings 48, 49, 50, 51, 52, pads 53 to 69 corresponding to the pads 31 to 46 shown in FIG. 3, and a grounding pad 70 around the through hole 30 are provided. In this embodiment, the pad 53 and the pad 69 are connected by the printed wiring 48, the pad 55 and the pad 68 are connected by the printed wiring 49, the pad 66 and the pad 67 are connected by the printed wiring 50, and the pad 62 is connected. The pad 65 is connected by the printed wiring 51, and the pad 56 and the pad 58 are connected by the printed wiring 52.

  Here, how to make the printed wiring board 10 will be described. First, an etching resist is applied to the entire surface of a conductive layer such as a copper foil laid on both surfaces of a substrate made of a synthetic resin such as glass / epoxy. Then, a resist pattern is baked on the etching resist. When this resist pattern is baked, resist patterns corresponding to the component side identification marks 16 to 18, the printed wirings 19 to 22 and the pads 31 to 46 shown in FIG. Further, the resist pattern corresponding to the solder side identification mark 47, the printed wirings 48 to 52, and the pads 53 to 70 shown in FIG. Then, etching resists other than those corresponding to the identification marks 16 to 18 and 47 on both the component side surface and the solder side surface, the printed wirings 19 to 22 and 48 to 52, and the pads 31 to 46 and 53 to 70 are removed. Thereafter, the conductive layer exposed from the etching resist is removed with an etching solution until the substrate surface of the printed wiring board 10 is exposed. By this etching, the printed wiring board 10 has identification marks 16 to 18, printed wirings 19 to 22, and pads 31 to 46 on the component side as shown in FIG. 3, and identification marks on the solder side as shown in FIG. 4. 47, printed wiring 48-52 and pads 53-70.

  Next, through holes are formed in the hollow portions of the pads 31 to 46 and 53 to 69 from one of the component side surface and the solder side surface of the printed wiring board 10. Further, a through hole 30 is formed in the pad 70 portion. Then, a solder resist is applied to portions other than the solder on the component side and the solder side surface of the printed wiring board 10, that is, portions other than the through holes and the pads 31 to 46 and 53 to 70. Then, the mounting position outline diagrams 25 to 29 of the functional components 11 to 15 shown in FIG. 2 are printed on the surface of the solder resist on the component side surface of the printed wiring board 10. After that, by inserting the terminals of the functional components 11 to 15 into the through holes from the component side surface of the printed wiring board 10, the functional components according to the mounting position outline drawings 25 to 29 described on the component side surface of the printed wiring board 10. 11 to 15 are mounted on the component side surface of the printed wiring board 10. Further, the solder side surface of the printed wiring board 10 is dipped in the molten solder liquid surface of the soldering device to apply solder. By this soldering, the solder attaches to the pads 53 to 70 of the printed wiring board that are not covered with the solder resist, and the solder also enters the through holes and attaches to the pads 31 to 46 and the functional components 11 to 15. Terminals are coupled to pads 31-46, 53-69. Further, when mounting a functional component not shown on the solder side surface of the printed wiring board 10, after the soldering of the functional components 11 to 15 on the component side surface is finished, the terminals of the functional component not shown in the drawing are printed. It inserts into the through hole from the solder side surface of the substrate 10, and solder is applied to the pad on the side surface of the component of the printed wiring board 10 from which the terminal protrudes with a soldering iron. By this soldering, the solder attaches to the pad and also penetrates into the through hole, thereby coupling the terminal of the functional component (not shown) to the pad.

  According to the structure of the first embodiment, as shown in FIG. 1, in the state where the printed wiring boards 2a to 5a are attached to the back of the gaming machine 1, the identification signs 2c to 5c, 2d to 5d, and 2e to 5e are provided. Since it is provided at a position that can be seen from the back of the gaming machine 1, after the gaming machine 1 is installed in the game shop, the gaming machine 1 is opened and identification signs 2c to 5c, 2d to 5d, and 2e to 5e from the back. Can be inspected for fraud.

  As shown in FIG. 2, since the identification marks 16 to 18 are directly provided on the side surfaces of the printed wiring board 10 by the same material as the printed wirings 19 to 22 by etching, even if the solder resists 23 and 24 are scraped off, The identification signs 16 to 18 cannot be wiped from the printed wiring board 10 and are not easily subjected to fraud. Moreover, it becomes easy to identify the dumper from the identification marks 16 to 18 of the illegally dumped items of the used gaming machine 1. Further, since the identification marks 16 to 18 are provided at the non-arranged positions of the functional components 11 to 15 mounted on the printed wiring board 10, the identification marks 16 to 18 are mounted in the form in which the functional components 11 to 15 are mounted on the printed wiring board 10. As with the functional components 11 to 15, the presence or absence of fraud can be inspected easily.

  Further, as shown in FIGS. 3 and 4, since the identification marks 16 to 18 and 47 are provided on both the component side surface and the solder side surface of the printed wiring board 10, the printed wiring board 10 is attached to the gaming machine 1. In this case, even if the identification marks 16 to 18 on the side surface of the component are deleted from the back of the gaming machine 1, the type of the printed wiring board 10 is identified by the identification mark 47 on the solder side surface, and the manufacturer of the gaming machine 1 is identified. Heavy safety can be demonstrated.

  Further, as shown in FIG. 2, since the mounting position outline diagrams 25 to 29 are printed on the solder resist 23 on the side surface of the printed wiring board 10, the correctness of the functional components 11 to 15 is determined from the mounting position outline diagrams 25 to 29. In addition, when the solder resist 23 is scraped off and the mounting position outline drawings 25 to 29 are wiped from the printed wiring board 10, it is confirmed that the functional parts in the wiped portion are illegal products. can do. As a result, it is less susceptible to cheating.

  Further, since the identification marks 16-18, 47 are formed by etching, the identification marks 16-18, 47 can be formed simultaneously with the formation of the printed wirings 19-22, 48-52 and the pads 31-46, 53-70. Moreover, the identification marks 16 to 18 and 47 can be easily formed as compared with a method such as vacuum deposition.

  FIG. 5 shows the appearance of the printed wiring board 10 of the second embodiment. In the second embodiment, a window 71 exposing the identification marks 16 to 18 is formed in the solder resist 23 of the printed wiring board 10. Thus, the identification marks 16 to 18 can be more easily confirmed.

  FIG. 6 shows the appearance of the printed wiring board 10 of the third embodiment. In the second embodiment, the identification marks 16-18, 47 are placed on the printed wiring 72 corresponding to the printed wirings 19-22, 48-52. Can be assimilated, and the assimilation can reduce the installation space of the identification mark 73 and improve the mounting density of the functional components 11 to 15 on the printed wiring board 10.

  In FIG. 1, the printed wiring boards 2 a to 5 a are illustrated as being attached to the gaming machine 1, but the printed wiring boards 2 a to 5 a are stored in a case outside the figure, and the case is attached to the gaming machine 1. In this case, the back side or the whole of the case is formed to be transparent such as transparent or translucent, and the identification marks 2c to 5c, 2d to 5d, and 2e to the printed wiring boards 2a to 5a are formed. 5e may be seen from the back of the gaming machine 1 through the case.

The rear view which shows the game machine of 1st Embodiment. The perspective view of the printed wiring board of a 1st embodiment. The top view which shows the components side surface of the printed wiring board of 1st Embodiment. The top view which shows the solder side surface of the printed wiring board of 1st Embodiment. The perspective view of the printed wiring board of 2nd Embodiment. The perspective view of the printed wiring board of 3rd Embodiment.

Explanation of symbols

1 gaming machines 2a-5a, 10 printed wiring boards 2b-5b, 11-15 functional components 2c-5c, 2d-5d, 2e-5e, 16-18, 47, 73 identification signs 19-22, 48-52, 72 Printed wiring

Claims (5)

  The printed circuit board is attached to the back of the gaming machine so that the identification mark indicating the manufacturer and type is provided on the printed circuit board with the same material as the printed wiring, and the identification mark is visible from the back of the gaming machine. A printed wiring board for a gaming machine, characterized by   An identification mark indicating the manufacturer and type is provided on the printed circuit board by the same material as the printed wiring, and the printed wiring board is housed in a transparent case so that the identification mark can be seen from the back of the gaming machine. Thus, a printed wiring board for a gaming machine, wherein the case is attached to the back of the gaming machine.   3. The game machine print according to claim 1, wherein a solder resist covering the printed wiring is provided on a surface of the printed wiring board, and a window for exposing the identification mark is provided on the solder resist. Wiring board.   The printed wiring board for gaming machines according to claim 1 or 2, wherein the identification mark is assimilated to the printed wiring.   3. The printed wiring board for gaming machines according to claim 1, wherein the printed wiring board comprises a frame information external terminal board, a game board information external terminal board, a game control circuit, or a frame control circuit.

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